Mid-key values give Nina Arbore its characteristic quietness - nothing blazes, nothing disappears. Temperature reads distinctly warm: the reds and earth tones from Nina Arbore carry the compositional weight. Chroma is moderate: colours carry enough saturation to be read as colour, but the palette stops well short of garish intensity. At 7.7%, #C4913E carries the palette's sharpest chromatic charge: an accent that earns its place precisely because it is withheld. The value range of 51 units sits in the comfortable middle: enough depth, enough light, neither extreme. This is palette 4 of Nina Arbore's sequence - a single chapter in a chromatic story told across many works.